1 files changed, 77 insertions, 0 deletions
diff --git a/dom/webgpu/RenderBundleEncoder.h b/dom/webgpu/RenderBundleEncoder.h
new file mode 100644
index 0000000000..f8bfebe21e
--- /dev/null
+++ b/dom/webgpu/RenderBundleEncoder.h
@@ -0,0 +1,77 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef GPU_RenderBundleEncoder_H_
+#define GPU_RenderBundleEncoder_H_
+
+#include "mozilla/Scoped.h"
+#include "mozilla/dom/TypedArray.h"
+#include "ObjectModel.h"
+
+namespace mozilla::webgpu {
+namespace ffi {
+struct WGPURenderBundleEncoder;
+}  // namespace ffi
+
+class Device;
+class RenderBundle;
+
+struct ScopedFfiBundleTraits {
+  using type = ffi::WGPURenderBundleEncoder*;
+  static type empty();
+  static void release(type raw);
+};
+
+class RenderBundleEncoder final : public ObjectBase, public ChildOf<Device> {
+ public:
+  GPU_DECL_CYCLE_COLLECTION(RenderBundleEncoder)
+  GPU_DECL_JS_WRAP(RenderBundleEncoder)
+
+  RenderBundleEncoder(Device* const aParent, WebGPUChild* const aBridge,
+                      const dom::GPURenderBundleEncoderDescriptor& aDesc);
+
+ private:
+  ~RenderBundleEncoder();
+  void Cleanup();
+
+  Scoped<ScopedFfiBundleTraits> mEncoder;
+  // keep all the used objects alive while the encoder is finished
+  nsTArray<RefPtr<const BindGroup>> mUsedBindGroups;
+  nsTArray<RefPtr<const Buffer>> mUsedBuffers;
+  nsTArray<RefPtr<const RenderPipeline>> mUsedPipelines;
+  nsTArray<RefPtr<const TextureView>> mUsedTextureViews;
+
+ public:
+  // programmable pass encoder
+  void SetBindGroup(uint32_t aSlot, const BindGroup& aBindGroup,
+                    const dom::Sequence<uint32_t>& aDynamicOffsets);
+  // render encoder base
+  void SetPipeline(const RenderPipeline& aPipeline);
+  void SetIndexBuffer(const Buffer& aBuffer,
+                      const dom::GPUIndexFormat& aIndexFormat, uint64_t aOffset,
+                      uint64_t aSize);
+  void SetVertexBuffer(uint32_t aSlot, const Buffer& aBuffer, uint64_t aOffset,
+                       uint64_t aSize);
+  void Draw(uint32_t aVertexCount, uint32_t aInstanceCount,
+            uint32_t aFirstVertex, uint32_t aFirstInstance);
+  void DrawIndexed(uint32_t aIndexCount, uint32_t aInstanceCount,
+                   uint32_t aFirstIndex, int32_t aBaseVertex,
+                   uint32_t aFirstInstance);
+  void DrawIndirect(const Buffer& aIndirectBuffer, uint64_t aIndirectOffset);
+  void DrawIndexedIndirect(const Buffer& aIndirectBuffer,
+                           uint64_t aIndirectOffset);
+
+  void PushDebugGroup(const nsAString& aString);
+  void PopDebugGroup();
+  void InsertDebugMarker(const nsAString& aString);
+
+  // self
+  already_AddRefed<RenderBundle> Finish(
+      const dom::GPURenderBundleDescriptor& aDesc);
+};
+
+}  // namespace mozilla::webgpu
+
+#endif  // GPU_RenderBundleEncoder_H_